高速公路隧道新型環(huán)保結構型式施工技術研究.pdf

1、西南交通大學碩士學位論文高速公路隧道新型環(huán)保結構型式施工技術研究姓名：徐凡獻申請學位級別：碩士專業(yè)：地質(zhì)工程指導教師：文江泉20100301西南交通大學碩士研究生學位論文第1l頁AbstractWiththerapidsocio—economicdevelopment，environmentalprotection，securityandtrlriftyintheconstructionofhigh—gradehighwaytunnel

2、areincreasinglyappreciatedbythemajorityofroadbuilders，higherrequirementsareputforwardinthelandscapeandenvironmentalprotectionofhighwayAlthoughcomparedtOotherformsofstmctures，tunnelhasenvironmentaladvantages，theconstructi

3、onandoperationofthetunnelwillinevitablychangetheoriginalstateoftheenvironmentandmaymaketheenvironmentbenotconducivetothedirectionofhumanexistence，orcauseenvironmentalpollutionThusintheprocessofbuildingthetunnel，newtechno

4、logiesconducivetoenvironmentalprotectionshouldbestudiedThispaperwasbasedontheengineeringpracticeofNo1hole，TigerMountaintunnelofstudiocontractsectionH5ofHongAn(XiangYusector)toShangGuanbridgewhichbelongsthewestinterprovin

5、cialhighwayaccessroadfromChongqingtoChangshaFirstlyadetailedexpositionwasgivenoftheenvironmentaladvantages，structuralanalysis，designandconstructiontotheshedtunnelstructureFiniteelementsoftwareFLACwasusedtoanalyzetheslope

6、structurestabilitybynumericalsimulation，thussomeconclusionswereobtained，two—stageexcavationofwhichstressconcentrationonlyexistsatthefootoftheslopehadlesseffecttotheslopestabilityinthecourseofconstructionappropriatetreatm

7、entmeasuresweretakenheretoensuretheslopestabilityandtheconstructionsafetyismorereliable，aslongastheshedtunnels缸ucturewasbuiltupwithtemporaryslopestabilitytheentireslopewouldbepermanentlysafe，SOtheamountofexcavationwasgre

8、atlyreduced，originalecologyofthesurroundingnaturalenvironmentwasprotectedandthedisturbanceofnaturalgeologicalbodyWassignificantlyreduced，thuspossibilityofgeologicalhazardswasalseduced；Secondlytheengineeringgeologicalcond

9、itionsoftheTigerMountaintunnelwasintroducedandtheengineeringcharacteristics，constructiontechnologyandmainpointsoftheconstructionofadvancedtunnelentranceconstructionmethodwereexpounded，thismethodadoptedtheprinciplesofnatu

10、rallyenteringthehole，aslongastheholelocationsandenteringprogramwerereasonablydetermined，correctarrangementofconstructionstepsandanumberofancillaryconstructionstepsforenteringtheholeaheadwereadopted，hiddentroublesofthetun

11、nelholewouldbeeffectivelysolvedandthenaturalenvironmentoftheholeWasprotected，realizing‘earlyinandlateout’；FinallyorganizationaldesignofimplementalconstructionWasintroduced，mainlyincludingthemethods，processes，qualitymanag